<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
        .wrapper
        {
            position: absolute;
            left: 200px;
            top: 100px;
            
            width: 200px;
            height: 200px;
            border: 1px solid #0ff;
        }
        .wrapper .choose
        {
            display: flex;
            justify-content: space-around;

            width: 100%;
            height: 50px;
            border-bottom: 1px solid #000;
        }
        .wrapper .choose input
        {
            width: 40px;
            height: 40px;
        }
        span
        {
            position: absolute;
            top: 100px;
            left: 100px;
            display: none;
        }
        input:checked + span
        {
            display: inline-block;
        }
    </style>
</head>
<body>
    <div class="wrapper">
        <div class="choose">
            <input type="radio" name="choose" checked><span>11</span>
            <input type="radio" name="choose"><span>12</span>
            <input type="radio" name="choose"><span>13</span>
        </div>
    </div>
</body>
</html>